KR102559475B1 - Blanked refuse winding apparatus for continuous label paper - Google Patents

Abstract

An apparatus for taking up continuous label paper that has undergone a semi-punching process and having a peeling roller for conveying continuous label paper that has undergone a semi-punching process and separating it into a punched product adhering to the paper and a punched scrap, comprising: a scrap take-up shaft, a moving mechanism, a first detection unit, a second detection unit, an arithmetic unit, a scrap pressing roller, and a guide belt.

Description

Punching scrap winding device of continuous label paper {BLANKED REFUSE WINDING APPARATUS FOR CONTINUOUS LABEL PAPER}

[0001] The present invention relates to an apparatus for winding scrap of continuous label paper. This application claims priority to Japanese Patent Application No. 2018-240357 filed on December 21, 2018, the contents of which are incorporated herein by reference.

As an apparatus for winding scrap of continuous label paper, after printing characters or pictures on the continuous label paper, punching out the label substrate and the adhesive layer of the continuous label paper into a predetermined shape, peeling unnecessary scrap from a mount and winding the scrap around a winding shaft is known. It is conceivable that the punched scrap pulled out in a predetermined shape is difficult to ensure strength, and is cut before reaching the scrap take-up shaft. For this reason, it is not preferable to apply strong tension to the punched scraps after they are peeled from the ground until they reach the scrap take-up shaft.

Here, the tension applied to the punched scrap varies according to the change in the diameter of the roll of the punched scrap wound around the scrap take-up shaft if the torque of the scrap take-up shaft is constant. In addition, the tension applied to the punched scrap fluctuates due to the mechanical loss of the mechanical system or the torque fluctuation of the servo motor due to the acceleration/deceleration of the take-up speed. Therefore, variations in tension during winding of the punched scrap may cause cutting of the punched scrap. Also, the punched scrap is punched into a predetermined shape. Therefore, when tension is applied to the punched scrap in the conveying direction, it has a property of shrinking in a direction perpendicular to the direction of the tension (width direction of the punched scrap). Here, when the predetermined shape is a circular or irregular label other than a rectangle, it is difficult for the amount of shrinkage of the punched scrap to be constant. For this reason, it is conceivable that the load is concentrated in the portion where the amount of shrinkage of the punched scrap is large, causing wavy in a direction perpendicular to the direction of the tension. In this state, when the tension of the punched scrap fluctuates, the punched scrap is easily cut.

In particular, in the section from when the punched scrap is peeled from the ground to when it reaches the scrap take-up shaft (hereinafter referred to as a scrap pass), the amount of shrinkage in the width direction of the punched scrap increases, and the load is concentrated on the area where the load is concentrated. Further, when the amount of shrinkage in the width direction of the punched scrap is large, a large portion and a small portion are generated in the roll diameter of the rolled punched scrap, and the punched scrap wound at the location where the roll diameter is large becomes high tension. Punched scrap is easy to be cut at a place where load is concentrated due to a large shrinkage in the width direction of the punched scrap or at a place where high tension is generated due to a large scrap winding diameter.

Among the continuous label paper punched scrap winding devices, there is a device for pressurizing the outer periphery of the punched scrap wound around the scrap take-up shaft to a scrap roll driving roller in order to suppress the cutting of the punched scrap. The scrap roll driving roller rotates synchronously at the conveying speed of continuous label paper. By pressurizing the outer periphery of the cut-out scrap to the scrap roll driving roller, the adhesive layer of the cut-out scrap adheres to the scrap take-up shaft. In this state, the scrap take-up shaft is driven and rotated to continuously wind the punched scrap in a roll form. According to this continuous label paper punched scrap winding device, the scrap path in which punched scraps wavy in the width direction and easily cause the above obstacle can be remarkably shortened, and the punched scraps can be wound without applying tension to the punched scraps, and cutting of the punched scraps can be suppressed (see, for example, FIGS. 2 and 4 of Japanese Patent Laid-Open No. 2000-355459).

On the other hand, in the apparatus disclosed in FIGS. 1 and 3 of Japanese Patent Laid-open Publication No. 2000-355459, the cut-out scrap portion is peeled off from the continuous label paper on which a plurality of labels are stuck together, the label substrate and the adhesive layer are punched into a predetermined shape, and the scrap is wound up on the scrap take-up shaft. At this time, the scrap winding shaft winds the punched scrap to form the outer circumferential surface of the scrap roll. In this device, in order to avoid interference of the outer circumferential surface of the scrap roll with the peeling roller, the conveyance path of the punched scrap from the peeling roller to the scrap take-up shaft is longer than the maximum radius of the scrap roll.

However, when the punching area of the continuous label paper is large, the shape of the outer circumferential surface of the scrap roll wound around the scrap take-up shaft is distorted. However, in the apparatus disclosed in Figs. 2 and 4 of Japanese Unexamined Patent Publication No. 2000-355459, vibration occurs because the distorted scrap roll is rotated by pressing it into contact with the scrap roll drive roller. Therefore, in general, punched scraps having a large punched area depend on the type of continuous label paper, but since the area of punched scraps is small, the shape retention of the punched scraps after the product label is removed from the continuous label paper is unstable, and there is a problem that it vibrates and becomes easy to be cut. Furthermore, when the occurrence of this vibration is prevented, there is a problem that the scrap winding speed cannot be increased.

Here, there are cases in which deformed label punching scraps, that is, complex and relatively large punching scraps, are peeled off and wound up on a scrap take-up shaft. As with this deformed label, when the punching shape is complicated, or when the number of vertical frames in the winding direction (transport direction) of the punched scrap is thin and the number is small, and the winding force is transmitted to only a part of the punched scrap, there is a problem that the peeling of the punched scrap with the peeling roller and the lifting of the scrap may not be performed smoothly.

In addition, as in the apparatus disclosed in FIGS. 1 and 3 of Japanese Patent Laid-Open Publication No. 2000-355459, when the conveyance path of the punched scrap from the peeling roller to the scrap take-up shaft is set longer than the maximum radius of the scrap roll, in particular, in the punched scrap of a deformed label, a phenomenon in which the horizontal frame of the punched scrap is twisted and the punched scrap is reversed due to vibration of the punched scrap or a difference in tension between the left and right during the conveyance process, or a vertical frame of the punched scrap There is a problem that distortion occurs and a phenomenon in which punched scraps break is likely to occur.

The present invention has been made in view of the above circumstances, and in the process of separating continuous label paper into label products and punched scraps and raising the scraps, the conveyed punched scraps are guided to prevent sagging or twisting of the punched scraps. It is intended to achieve the object of preventing it from occurring. In addition, the present invention is intended to achieve the object of preventing twisting, reversal, and cutting of the punched scrap in the transportation path of the punched scrap, and also arranging irregularities on the outer peripheral surface of the punched scrap roll.

Further, the present invention is intended to achieve the object of eliminating vibration of the punched scrap whose source is the outer circumferential surface of the punched scrap roll, and enabling the punched scrap to be wound with a stable tension. Further, the present invention is intended to achieve the object of preventing cutting of the punched scrap and improving the take-up speed of the scrap by enabling the peeling and lifting of the punched scrap to be performed smoothly in a peeling roller.

In order to solve the above problems, as one aspect of the present invention, a continuous label paper punched scrap take-up device having a peeling roller for conveying semi-punched continuous label paper and separating it into punched products and punched scraps adhered to the ground, a scrap winding shaft installed spaced apart from the peeling roller and winding the punched scrap in a roll form, a moving mechanism capable of moving the scrap take-up shaft in a direction away from the peeling roller, and a moving mechanism installed in the transport path of the continuous label paper a first detection unit for detecting the transport amount of the continuous label paper, a second detection unit for detecting one revolution of the scrap take-up shaft, and an arithmetic unit for obtaining a roll diameter of the punched scrap wound around the scrap take-up shaft from the amount of pulses of the first detector for pulses transmitted from the second detector every time the scrap take-up shaft rotates once, and based on the roll diameter obtained by the arithmetic unit, the scrap take-up shaft is moved in a direction away from the peeling roller. The foregoing problem has been solved by adopting a continuous label paper punched scrap winding device having a scrap pressing roller that can contact the outer circumferential surface of the punched scrap wound around the scrap take-up shaft, and an endless guide belt that guides the punched scrap from the peeling roller to the roll of the punched scrap wound around the scrap take-up shaft.

As a second aspect of the present invention, in the first aspect, the scrap pressing roller is installed so as to be able to swing around the axis of the peeling roller, and the outer peripheral surface of the punched scrap wound around the scrap take-up shaft. A scrap pressing conveying unit for pressing the scrap pressing roller may be provided.

As a third aspect of the present invention, in the first aspect or the second aspect, guide grooves are formed in the peeling roller and the scrap pressing roller, and the guide belt divided in the axial direction of the peeling roller and the scrap pressing roller may be wound around the guide groove.

As a 4th aspect of this invention, any one of the said 1st aspect to the said 3rd aspect may further include the tension adjusting part provided on the drive side of the said scrap take-up shaft, and adjusting the tension applied to the said punched scrap.

As a fifth aspect of the present invention, any one of the first aspect to the fourth aspect may include a peeling roller position adjusting unit for adjusting the position of the axial center of the peeling roller in a direction orthogonal to a direction connecting the shaft center of the peeling roller and the shaft center of the scrap take-up shaft.

According to the present invention, when the punched scrap is wound around the scrap take-up shaft in the form of a roll, the guide belt guides the conveyance of the punched scrap from the peeling roll to the roll of the punched scrap wound around the scrap take-up shaft. Accordingly, it is possible to prevent a phenomenon in which the punched scrap is inverted due to distortion in the horizontal frame of the punched scrap or a phenomenon in which the punched scrap is broken due to distortion in the vertical frame of the punched scrap. At the same time, by making scrap raising smooth, cutting of punched scrap can be prevented, and the take-up speed of scrap can be improved.

In addition, when winding the punched scrap wound around the scrap take-up shaft in the form of a roll, the scrap pressing conveyor can wind the punched scrap while the scrap holding roller presses the punched scrap toward the scrap take-up shaft with a constant pressure. In addition, the punched scrap can be wound by making the conveyance distance of the punched scrap conveyed from the peeling roller to the roll of the punched scrap wound around the scrap take-up shaft constant. This makes it possible to smoothly lift the scrap.

Although the roll diameter of the punched scrap wound around the scrap take-up shaft in a roll increases, in response to this change, the punched scrap can be stably guided from the peeling roller to the roll of the punched scrap wound around the scrap take-up shaft by the guide belt while keeping the pressing force for pressing the punched scrap toward the scrap take-up shaft with the scrap holding roller constant. This makes it possible to smoothly lift the scrap.

Further, the scrap take-up shaft can be moved in a direction away from the peeling roller based on the roll diameter of the punched scrap wound around the scrap take-up shaft. Therefore, the distance between the outer circumferential surface of the punched scrap wound around the scrap take-up shaft and the outer circumferential surface of the peeling roller can be suppressed to a small level. That is, the scrap path size from the outer circumferential surface of the peeling roller to the outer circumferential surface of the punched scrap can be suppressed to a small size. Thus, even if the predetermined shape of the punched product is circular or irregular other than a rectangle, it is possible to prevent the punched scrap from being cut as much as possible by stabilizing the tension generated in the punched scrap during winding. Furthermore, by suppressing cutting of the punched scrap, the speed at which the punched scrap is wound around the scrap take-up shaft can be increased. Thereby, the printing speed of the continuous label paper can be increased, and the productivity of punched products can be greatly improved.

In addition, by installing the tension adjusting unit on the driving side of the scrap take-up shaft, the tension applied to the punched scrap by winding can be adjusted and kept constant. Accordingly, cutting of the punched scrap due to tension fluctuation during winding can be suppressed, and the punched scrap can be wound in a stable state.

Furthermore, by making the scrap pressing roller correspond to the change in roll diameter, the scrap pressing roller can be brought into contact with the outer circumferential surface of the punched scrap. Therefore, the entire outer circumferential surface of the punched scrap can be flattened with the scrap pressing roller. Thereby, the distance between the outer circumferential surface of the punched scrap wound around the scrap take-up shaft and the outer circumferential surface of the peeling roller can be more preferably maintained. Therefore, the tension generated in the punched scrap during winding can be more favorably stabilized.

In addition, by providing the peeling roller position adjuster, the scrap lifting position in the peeling roller can be adjusted. This makes it possible to adjust the relative position of the peeling roller in the conveying direction of the continuous label paper, that is, the scrap lifting position, so that the peeling roller can smoothly peel and lift the punched scrap, so that the tension generated in the punched scrap can be better stabilized. Also, the relative position of the peeling roller in the conveying direction of the continuous label sheet, that is, the scrap lifting position can be adjusted. Furthermore, cutting of the punched scrap can be suppressed, and the speed at which the punched scrap is wound around the scrap take-up shaft can be increased. Thereby, the printing speed of the continuous label paper can be increased, and the productivity of punched products can be greatly improved.

1 is a front view of a motor side showing a punched scrap take-up device in one embodiment of the present invention.
Fig. 2 is a front view of the operation side showing the punched scrap take-up device in one embodiment of the present invention.
3 is a view showing a peeling roller, a scrap pressing roller, a guide belt, a scrap pressing conveying unit, and a peeling roller position adjustment unit in one embodiment of the present invention, and is a schematic front view of the interior viewed in the direction of the motor side through a frame on the operation side existing in the front side.
4 is a perspective view showing a state in which continuous label paper is separated into labels and punched scraps in one embodiment of the present invention.
Fig. 5 is a plan view showing partial cross-sections of a peeling roller, a scrap pressing roller, a guide belt, a scrap pressing conveying unit, and a peeling roller position adjustment unit in one embodiment of the present invention.
6 is a schematic diagram showing a state in which continuous label paper is separated into labels and punched scraps in one embodiment of the present invention.
Fig. 7 is a front view showing the take-up mechanism of Fig. 1 in one embodiment of the present invention.
FIG. 8 is a side view taken at arrow VIII in FIG. 1 showing a punched scrap take-up device according to an embodiment of the present invention.
Fig. 9 is a side view showing the take-up mechanism of Fig. 8 in one embodiment of the present invention.
FIG. 10 is a side view showing a state in which the scrap take-up shaft of FIG. 8 is lowered in the punched scrap take-up device according to an embodiment of the present invention.
Fig. 11 is a front view on the operation side explaining a method for obtaining the roll diameter of a punched scrap roll of a punched scrap take-up device in one embodiment of the present invention.
Fig. 12 is a front view showing the positional relationship of the scrap take-up shaft, the punched scrap, and the peeling roller of the punched scrap take-up device in one embodiment of the present invention.
FIG. 13 is a graph showing the rising timing of the scrap take-up shaft of the punched scrap take-up device in one embodiment of the present invention.

EMBODIMENT OF THE INVENTION Hereinafter, one Embodiment of the punched scrap take-up machine which concerns on this invention is described based on drawing. In the drawing, reference numeral 10 denotes a punching scrap take-up device for continuous label paper.

As shown in FIGS. 1 to 3 , the continuous label sheet scrap take-up device 10 according to the present embodiment includes a frame 12, a take-up mechanism 14, a vertical moving mechanism (moving mechanism) 16, a detecting device 20, a calculation unit 22, a control unit 24, a scrap pressing conveying unit 200, and a peeling roller position adjusting unit 220. The arithmetic unit 22 and the control unit 24 are a type of computer composed of a memory such as a central processing unit (CPU), a random access memory (RAM), a read only memory (ROM), a storage device such as a solid state drive (SSD) and a hard disc drive (HDD), and the like, and the CPU executes an arithmetic program or a control program to realize each function described later. Hereinafter, the punched scrap take-up device 10 for continuous label paper will be abbreviated as "cut-out scrap take-up device 10" and described.

As shown in FIGS. 2 to 4 , the continuous label sheet 30 is conveyed to the cut-out scrap take-up device 10 as indicated by the arrow A. In the continuous label paper 30, the label substrate is adhered to the paper 31 via an adhesive layer (not shown). On the continuous label paper 30, characters or pictures are printed on the label substrate by a printing process set upstream in the conveying direction of the cut-out scrap take-up device 10 or in a separate line device. After the printing process, in the processing process, a punching product (hereinafter referred to as a label) 34 is semi-punched on the label substrate and the adhesive layer by a carving knife, a corrosive knife (ie, a flexible die), or a laser beam. In the semi-punching process, the label base material and the adhesive layer of the continuous label paper 30 are processed so that they are framed in a predetermined shape. That is, the board 31 is not processed by semi-punching. The label 34 and the punching scrap 36 are formed from the label substrate by the semi-punching process.

After the continuous label sheet 30 is subjected to the semi-punching process of the label 34, the punched scrap 36 is peeled from the sheet 31 of the continuous label sheet 30 by the peeling roller 147. As a result, the continuous label paper 30 is separated by the peeling roller 147 into the label 34 adhered to the paper 31 by the adhesive layer and the punched scrap 36 peeled from the paper 31. The label 34 adhered to the paperboard 31 is conveyed together with the paperboard 31 in the direction of the arrow B.

On the other hand, the punched scrap 36 peeled from the mount 31 is wound by about half of the circumference of the outer peripheral surface 147a of the peeling roller 147. Then, on the conveying path from the peeling roller 147 to the upper scrap take-up shaft 51, the punched scrap 36 extends, spreads, and guides on a conveying guide conveyor formed by a plurality of guide belts (round belts) 145 wound around the peeling roller 147 in a state of being separated in the width direction of the punched scrap 36, which is the axial direction of the peeling roller 147, as will be described later. The punched scrap 36 is guided along the transport path in this way, and is transported to the scrap take-up shaft 51 without sagging or twisting occurring.

The conveyed punched scrap 36 adheres to the branch pipe 64 of the scrap take-up shaft 51 and is wound up in a roll form by rotation of the scrap take-up shaft 51 . Hereinafter, the punched scrap 36 wound around the scrap take-up shaft 51 in a roll form is referred to as a “cutting scrap roll 37”.

Hereinafter, the configuration of the punched scrap take-up device 10 will be described based on FIGS. 1 to 10. As shown in FIGS. 1 to 3 and 8, the frame 12 of the cut-out scrap take-up device 10 has a take-up mechanism 14, a vertical movement mechanism 16, a scrap pressing and conveying unit 200, and a detection device 20 is supported. Further, on the frame 12, a transport roller 41, a nip roller (or nip roller) 42, a guide roller 43, a changeover roller 44, a label transfer roller 45, a repress receiving roller 46, and a repress roller 47 are rotatably supported. The conveying roller 41, along with the nip roller (or nip coro) 42, sandwiches the continuous label sheet 30 and conveys it. The repressing receiving roller 46, along with the repressing roller 47, conveys the continuous label sheets 30 between them.

The conveying roller 41, the nip roller 42, the guide roller 43, the changeover roller 44, the label shifting roller 45, the repress receiving roller 46, and the repressing roller 47 are installed in order from the upstream side of the conveying path of the continuous label sheet 30, for example, to form the conveying path of the continuous label sheet 30. In Fig. 1 and Fig. 2, a part of the transport path of the continuous label sheet 30 is omitted. In addition, as will be described later, the peeling roller 147 is rotatably supported by the frame 12 . Note that in the drawings, the frame 12 and the like may be partially omitted for explanation.

As shown in Fig. 3, in the peeling roller 147, a blade 144 for label transfer is provided at the lowermost position of the outer peripheral surface 147a. When the continuous label sheet 30 is conveyed in the gap with the peeling roller 147, the label transfer blade 144 changes the direction of the sheet 31 in the continuous label sheet 30 from which the cut-out scrap 36 is separated (returns), peels the label 34 adhered to the sheet 31 from the sheet 31, and separates the sheet 31 from the changeover roller 44.

A roller 45 for label transfer is installed at the front end of the blade 144 for label transfer. The label transfer roller 45 is disposed at a position where the peeled label 34 can be adhered to the paper 31 again at the front end of the label transfer blade 144 . On the downstream side of the label transferring roller 45, a repressing receiving roller 46 and a repressing roller 47 are disposed.

The peeling roller 147 is positioned so that the lowermost bottom surface 147g of its outer circumferential surface 147a maintains a predetermined gap where the continuous label sheet 30 is not pressed against the label transfer blade 144 side. The peeling roller 147 is supported by the frame 12 so as to be horizontally movable by the peeling roller position adjusting unit 220, as will be described later. The peeling roller 147, the blade 144 for label transfer, the switching roller 44, and the roller 45 for label transfer constitute a label transfer mechanism.

Furthermore, as shown in FIGS. 1 and 8 , an escape hole 48 is formed in the frame 12 . The escape hole 48 extends in the vertical direction so that the scrap take-up shaft 51 can move in the vertical direction.

The take-up mechanism 14 includes a scrap take-up shaft 51, a powder clutch (tension adjuster) 53, and a first servo motor 55. The scrap take-up shaft 51, the powder clutch 53, and the first servomotor 55 are attached to the movable body 76 of the vertical movement mechanism 16. The scrap take-up shaft 51 is rotatably supported on the upper portion 85a of the first table 85 of the movable body 76 via a bearing. The scrap take-up shaft 51 is installed substantially vertically upward with respect to the roller center 147b of the peeling roller 147 (see Fig. 2).

In addition, the scrap take-up shaft 51 is formed in a hollow shape with a circular cross section, and a plurality of long holes (slits) 57 extending in the axial direction are formed on the outer periphery. A first timing pulley 58 is coaxially attached to the scrap take-up shaft 51 . Inside the scrap winding shaft 51, a rubber tube is accommodated so that it can be elastically deformed. A metal hook (hereinafter referred to as a lug) 62 is provided on the outer circumference of the rubber tube. An air flow path communicates with the inside of the rubber tube. The air passage communicates with the air supply source through the rotary joint 63.

Air supplied from the air supply source is filled into the rubber tube via the rotary joint 63 or the air flow path. Accordingly, the rubber tube expands outward in the radial direction, and the lug 62 protrudes outward in the radial direction from the long hole 57 of the scrap take-up shaft 51 . Here, a branch pipe 64 (see Fig. 2) is engaged with the scrap take-up shaft 51. Therefore, the lug 62 protruding from the long hole 57 of the scrap take-up shaft 51 comes into contact with the inner surface of the paper tube 64, and the paper tube 64 is coaxially fixed to the scrap take-up shaft 51. In the embodiment, an example in which the lug 62 is protruded outward in the radial direction using pneumatic pressure is described, but is not limited thereto. As another example, the lug 62 may be protruded outward in the radial direction mechanically, for example. A rotation stop bracket 65 is attached to the case of the rotary joint 63. The rotation stop bracket 65 is attached to the second table 86 of the moving body 76. Accordingly, accompanying rotation of the case of the rotary joint 63 is suppressed by the rotation stop bracket 65.

As shown in FIGS. 7-9, the 1st servomotor 55 is connected to the scrap take-up shaft 51 via the powder clutch 53. The first servo motor 55 is attached to the plate 83 under the second table 86. The plate 83 is attached to the lower part of the second table 86. Specifically, a plurality of first long holes 86a are formed below the second table 86 so as to extend in the vertical direction. The plate 83 is attached to the lower portion of the second table 86 with first bolts 81 penetrating the plurality of first long holes 86a. The first servo motor 55 is attached to the lower part of the second table 86 of the moving body 76 through a plate 83. Therefore, by loosening the first bolt 81 and moving the plate 83 in the vertical direction, the first servo motor 55 can be moved in the vertical direction. That is, the first servo motor 55 can adjust the position of the powder clutch 53 in the vertical direction. A second timing pulley 66 is coaxially attached to the output shaft of the first servo motor 55 .

In the 2nd table 86, the powder clutch 53 is arrange|positioned between the 1st servomotor 55 and the scrap winding shaft 51. Here, in the 2nd table 86, the some 2nd long hole 86b is formed in the upper part so that it may extend in the vertical direction. The second bolt 97 passes through the plurality of second long holes 86b and is screwed to the pair of connecting members 87, and the second table 86 can be fixed by tightening the second bolt 97. Therefore, by loosening the second bolt 97 and moving the second table 86 in the vertical direction, the powder clutch 53 can be moved in the vertical direction. That is, the powder clutch 53 can be positioned vertically with respect to the scrap take-up shaft 51 . The powder clutch 53 is installed on the driving side of the scrap take-up shaft 51, and is generally employed, for example, in the production of long knitted fabrics. The powder clutch 53 uses powder (magnetic iron powder) to transmit torque, and has both the smoothness of a fluid clutch and the highly efficient connection of a friction plate type clutch.

That is, by sliding the powder clutch 53 smoothly, it is possible to maintain a constant variation in the tension applied to the punched scrap 36 . In addition, the set torque of the powder clutch 53 can be changed stepwise according to the roll diameter D of the punching scrap roll 37 (see FIG. 2). Therefore, by installing the powder clutch 53 on the driving side of the scrap take-up shaft 51, it is possible to adjust the tension applied to the punched scrap 36 of the punched scrap roll 37, thereby keeping the tension constant. Accordingly, it is possible to prevent the punched scraps 36 from being cut due to fluctuations in the tension applied to the punched scraps 36 .

As shown in FIGS. 2 to 4, in the present embodiment, the number of rotations of the scrap take-up shaft 51 is set to a constant value equal to or greater than the amount of winding of the punched scrap 36 when the roll diameter D of the punched scrap roll 37 is the diameter of the smallest paper pipe 64. Accordingly, the punched scrap 36 is wound around the scrap take-up shaft 51 without sagging. On the other hand, when the roll diameter D of the punched scrap roll 37 increases, the amount of winding of the punched scrap 36 on the scrap take-up shaft 51 increases with respect to the conveying amount of the continuous label paper 30 in the conveying route. In this case, since the tension applied to the punching scrap 36 increases, the set torque of the powder clutch 53 (see Fig. 9) can be adjusted step by step.

As shown in Figs. 2, 8 and 9, tension is applied to the punched scrap 36 of the punched scrap roll 37. The tension fluctuates by affecting the change in the roll diameter D of the punched scrap roll 37, the mechanical loss of the mechanical system, or the torque fluctuation during acceleration/deceleration of the first servo motor 55. Therefore, by interposing the powder clutch 53 between the scrap take-up shaft 51 and the first servomotor 55, fluctuations in the tension applied to the punched scrap 36 can be kept constant.

In addition, the powder clutch 53 also has a structure in which the set torque can be changed stepwise according to the roll diameter D of the punched scrap roll 37 in order to correspond to the change in the roll diameter D of the punched scrap roll 37 . That is, the tension applied to the punched scrap 36 varies according to the change in the roll diameter D of the punched scrap roll 37 if the torque of the scrap take-up shaft 51 is constant. Therefore, by changing the set torque of the powder clutch 53 stepwise according to the roll diameter D of the punching scrap roll 37, the change in tension can be kept constant.

In this way, by providing the powder clutch 53 on the drive side of the scrap take-up shaft 51, the tension applied to the punched scrap 36 by winding can be kept constant. As a result, it is possible to suppress cutting of the punched scrap 36 due to a change in tension during winding, and to wind the punched scrap 36 in a stable state. The set torque of the powder clutch 53 can be changed on the monitor screen installed in the punching scrap retractor 10.

The powder clutch 53 is attached to the upper part of the second table 86 of the moving body 76. A third timing pulley 68 is coaxially attached to the input shaft of the powder clutch 53. Further, a fourth timing pulley 69 is attached to the output shaft of the powder clutch 53 in a coaxial state. The third timing pulley 68 is connected to the fourth timing pulley 69 through an input shaft and an output shaft of the powder clutch 53 .

The 2nd timing pulley 66 of the 1st servo motor 55 is connected to the 3rd timing pulley 68 of the powder clutch 53 via the 1st timing belt 71. The tension of the first timing belt 71 is preferably adjusted by loosening the plurality of first bolts 81 (see Fig. 7) and moving the first servo motor 55 in the vertical direction. Moreover, the 4th timing pulley 69 of the powder clutch 53 is connected to the 1st timing pulley 58 of the scrap take-up shaft 51 via the 2nd timing belt 72. The tension of the second timing belt 72 is preferably adjusted by loosening the plurality of second bolts 97 (see Fig. 7) to move the powder clutch 53 in the vertical direction.

In this state, by rotating the second timing pulley 66 with the first servo motor 55, the rotation of the second timing pulley is transmitted to the third timing pulley 68 of the powder clutch 53 via the first timing belt 71. When the third timing pulley 68 rotates, the input shaft of the powder clutch 53 rotates. When the input shaft of the powder clutch 53 rotates, the output shaft of the powder clutch 53 rotates. As the output shaft of the powder clutch 53 rotates, the fourth timing pulley 69 rotates. The rotation of the fourth timing pulley 69 is transmitted to the first timing pulley 58 through the second timing belt 72 . When the first timing pulley 58 rotates, the scrap take-up shaft 51 rotates in the winding direction of the punched scrap 36 . As a result, the punched scrap 36 is wound around the branch pipe 64 of the scrap take-up shaft 51 .

Here, the fourth timing pulley 69 and the first timing pulley 58 are formed with the same number of teeth. Therefore, the number of rotations of the scrap take-up shaft 51 becomes equal to the number of rotations of the output shaft of the powder clutch 53. In addition, the second timing pulley 66 of the output shaft of the first servo motor 55 and the third timing pulley 68 of the input shaft of the powder clutch 53 are the fourth timing pulley of the output shaft of the powder clutch 53. It is formed with the same number of teeth as 69.

In this way, by interposing the powder clutch 53 between the scrap take-up shaft 51 and the first servomotor 55, the change in tension applied to the punched scrap 36 can be kept constant by the powder clutch 53. In addition, the tension applied to the punched scrap 36 fluctuates according to the change in the roll diameter D of the punched scrap roll 37 when the torque of the scrap take-up shaft 51 is kept constant. In order to respond to the fluctuation of the roll diameter D, the set torque of the powder clutch 53 can be changed stepwise according to the roll diameter D of the punching scrap roll 37. Accordingly, it is possible to prevent the punched scraps 36 from being cut due to fluctuations in the tension applied to the punched scraps 36 .

The connection of the 1st servomotor 55, the powder clutch 53, and the scrap winding shaft 51 is not limited to the structure of embodiment. The scrap take-up shaft 51 and the 1st servomotor 55 should just be connected via the powder clutch 53. The take-up mechanism 14 is attached to the movable body 76 of the vertical movement mechanism 16.

1 and 8, the vertical movement mechanism 16 includes a pair of linear guides 75, a moving body 76, a pair of ball screws 77, a pair of driven gears 78, a pair of drive gears 79, and a second servo motor 82. A pair of linear guides 75 are attached to both sides of the escape hole 48 in the frame 12 . A pair of linear guides 75 extend vertically along the escape hole 48 . A moving body 76 is supported by a pair of linear guides 75 to move freely in the vertical direction.

The moving body 76 includes a plurality of sliders 84, a first table 85, and a second table 86. The plurality of sliders 84 are freely movably supported by a pair of linear guides 75. Specifically, as for the plurality of sliders 84, for example, two sliders 84 are freely movably supported on one linear motion guide 75 at an interval in the vertical direction, and two sliders 84 are freely movable supported on the other linear motion guide 75 at an interval in the vertical direction. A plurality of sliders 84 are attached to the first table 85. A second table 86 is attached to the first table 85 through a connecting member 87 .

That is, the plurality of sliders 84, the first table 85, the connecting member 87 and the second table 86 are integrally attached. Accordingly, the plurality of sliders 84, the first table 85, the connecting member 87, and the second table 86 are supported by a pair of linear guides 75 to freely move in the vertical direction. To the 1st table 85 and the 2nd table 86, the winding mechanism 14 is attached. That is, the winding mechanism 14 is freely supported by a pair of linear guides 75 via a moving body 76 to move in the vertical direction. A pair of ball screws 77 are installed on both sides of the moving body 76.

The pair of ball screws 77 are rotatably attached to the frame 12 on both sides of the movable body 76 and at a position farther from the escape hole 48 than the pair of linear guides 75 through upper and lower bearings 88. A pair of ball screws 77 extend vertically along the escape hole 48 . A nut (not shown) is rotatably supported by a pair of ball screws 77, and the nut is supported by a coupling bracket 92. The connecting bracket 92 is attached to the connecting member 87 (see also FIG. 7). A pair of driven gears 78 are attached to the lower ends of the pair of ball screws 77. Specifically, one of the pair of driven gears 78 is coaxially attached to one of the pair of ball screws 77. Further, to the other side of the pair of ball screws 77, the other side of the pair of driven gears 78 is coaxially attached. A pair of driven gears 78 are bevel gears.

A pair of drive gears 79 mesh with the pair of driven gears 78. That is, one side of the pair of driving gears 79 is meshed with one side of the pair of driven gears 78 . Also, to the other side of the pair of driven gears 78, the other side of the pair of driving gears 79 is engaged. A pair of drive gears 79 are bevel gears and are coaxially attached near both ends of the rotational shaft 89 . Both ends of the rotating shaft 89 are freely rotatably supported by the frame 12 through bearings 91 . A fifth timing pulley 93 is coaxially attached to the central portion of the rotating shaft 89. A second servo motor 82 is attached below the rotating shaft 89.

A second servo motor 82 is attached to the frame 12 via an attachment bracket 94 . A sixth timing pulley 95 is coaxially attached to the output shaft of the second servo motor 82 . The sixth timing pulley 95 of the second servo motor 82 is connected to the fifth timing pulley 93 of the rotating shaft 89 via a third timing belt 96 . The tension of the third timing belt 96 is preferably adjusted by moving the second servo motor 82 in the vertical direction.

In this state, by rotating the sixth timing pulley 95 with the second servo motor 82, the rotation of the sixth timing pulley is transmitted to the fifth timing pulley 93 of the rotating shaft 89 via the third timing belt 96. As the fifth timing pulley 93 rotates, the pair of driving gears 79 rotate through the rotating shaft 89 . As the pair of drive gears 79 rotate, the pair of driven gears 78 rotate. When the pair of driven gears 78 rotate, the pair of ball screws 77 rotate. As the pair of ball screws 77 rotate, the connecting bracket 92 (ie, the movable body 76) moves in the vertical direction. A winding mechanism 14 is attached to the first table 85 and the second table 86 of the moving body 76 . When the movable body 76 moves in the vertical direction, the scrap take-up shaft 51 of the take-up mechanism 14 moves in the vertical direction.

As shown in FIGS. 8 and 10 , by moving the scrap take-up shaft 51 in the vertical direction (direction of arrow C) with the vertical movement mechanism 16, the scrap take-up shaft 51 can be moved in the vertical direction in response to a change in the roll diameter D of the punched scrap roll 37. That is, the scrap take-up shaft 51 can be moved by the vertical movement mechanism 16 in a direction away from the peeling roller 147 or in a direction approaching the peeling roller 147 . As a result, the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 do not come into contact, and the scrap take-up shaft 51 can be adjusted at a predetermined interval (distance) r (see FIGS. 12 and 13) described later.

As shown in FIGS. 2 to 5 , a scrap pressing conveying unit 200 is installed above the peeling roller 147 at a side position between the peeling roller 147 and the scrap take-up shaft 51 . In addition, in FIG. 2, illustration of the support part 12a and the frame 12 etc. which exist outside (front side) of the peeling roller 147 etc. are partly omitted.

The scrap pressing conveyor 200 includes a scrap pressing roller 142, a guide belt 145, a swinging portion 150, and a scrap pressing air cylinder 153. The scrap pressing roller 142 is rotatably attached to the oscillating portion 150 which can oscillate with respect to the roller center 147b of the peeling roller 147. One end of the swinging portion 150 is allowed to swing coaxially with respect to the roller center 147b of the peeling roller 147 . At the other end of the rocking portion 150, a scrap pressing roller 142 having an axis parallel to the axis of the peeling roller 147 is rotatably attached.

The scrap holding roller 142 is capable of swinging with respect to the roller center 147b of the peeling roller 147 along a predetermined arch defined by the length of the swinging portion 150, as indicated by the arrow S in FIG. The length of the oscillating portion 150 corresponds to the change in the roll diameter D of the punched scrap roll 37, and the scrap pressing roller 142 is arranged so that it can always contact the outer peripheral surface 36a of the punched scrap roll 37.

The peeling roller 147 and the scrap pressing roller 142 have substantially equal diameters. The axis of the scrap holding roller 142 is located upstream in the conveying direction of the continuous label sheet 30 in the horizontal direction with respect to the vertical plane connecting the axis of the peeling roller 147 and the axis of the scrap take-up shaft 51. At the same time, the axial line of the scrap holding roller 142 is located on the axial side of the scrap winding shaft 51 in the vertical direction with respect to the axial line of the peeling roller 147 .

To the other end of the swinging portion 150, one end 153a of the scrap pressing air cylinder 153 is attached so as to be able to rotate (possibly swing). The other end 153b of the scrap holding air cylinder 153 is rotatably fixed below the axis of the peeling roller 147 in the vertical direction and at a position spaced apart from the axis of the peeling roller 147 from the one end 153a of the scrap holding air cylinder 153 in the horizontal direction.

The scrap pressing air cylinder 153 is connected to an air regulator (not shown), and by supplying and controlling air for driving, the other end side of the swinging portion 150 can be pressed with a constant pressing force. The scrap pressing air cylinder 153 supplies air so as to be expanded by an air regulator, and can press the scrap pressing air cylinder 153 toward the scrap take-up shaft 51 corresponding to the fluctuation of the swinging portion 150 . As a result, the scrap pressing air cylinder 153 swings the scrap pressing roller 142 toward the center of the roller 147b in the direction of contact with the punched scrap roll 37, and at this time, the scrap pressing roller 142 and the punched scrap. The contact pressure between the roll 37 can be adjusted. In addition, application of the pressing force to the scrap pressing roller 142 directed to the punching scrap roll 37 is not limited to an air cylinder, and a pressure spring, electric cylinder, or the like may be used.

The scrap pressing air cylinder 153, the swinging portion 150, the scrap pressing roller 142, and the guide belt 145 constitute the scrap pressing conveying unit 200. The scrap holding roller 142 is pressed by the scrap holding air cylinder 153, and even when the roll diameter D of the punching scrap roll 37 changes (increases), it is always in contact with the outer peripheral surface 36a of the punching scrap roll 37 at a constant pressure, and rotates at the same speed as the winding speed of the punching scrap roll 37.

Guide grooves 147f and 142f are formed around both the outer circumferential surface 147a of the peeling roller 147 and the outer circumferential surface 142a of the scrap pressing roller 142 in the circumferential direction. The guide grooves 147f and 142f are formed at the same number as the positions coincident with each other in the axial direction of the peeling roller 147 and the scrap pressing roller 142. The guide grooves 147f and 142f are U-shaped grooves or V-shaped grooves, and are formed at least in two places in the axial direction of the peeling roller 147 and the scrap pressing roller 142.

An endless guide belt (round belt) 145 is wound around the guide grooves 147f and 142f, respectively, and the position of the guide belt (round belt) 145 is determined in the belt width direction. The depth of the guide grooves 147f and 142f is set equal to or slightly larger than the outer diameter of the cross section of the guide belts (round belts) 145, and the guide belts (round belts) 145 from the guide grooves 147f and 142f are set to a depth at which they do not protrude outward from the respective outer peripheral surfaces 147a and 142a.

A plurality of guide belts (round belts) 145 wound around the outer circumferential surface 147a of the peeling roller 147 and the outer circumferential surface 142a of the scrap pressing roller 142 are parallel to each other and move in substantially coincident directions with respect to the conveying direction of the punched scraps 36. A plurality of guide belts (round belts) 145 are arranged in the width direction of the punched scrap 36 serving as the axial direction of the peeling roller 147, and all form a plane parallel to the transport direction of the punched scrap 36. At least two guide belts (round belts) 145 may be provided in the width direction of the punched scrap 36 serving as the axial direction of the peeling roller 147, but in order to stably convey the punched scrap 36, it is preferable that a plurality of guide belts are provided with substantially equal intervals in the width direction of the punched scrap 36.

By these, the conveyed punched scraps 36 uniformly come into contact with the outer circumferential surface 147a of the peeling roller 147 and the outer circumferential surface 142a of the scrap pressing roller 142 and are guided. As the guide belt (round belt) 145, for example, a barn cord manufactured by Bando Kagaku Co., Ltd. or the like can be applied. Further, the guide belt 145 is not limited to a round belt, and may be a flat belt or a V-belt. At this time, it is preferable that the guide grooves 147f and 142f also have a cross-sectional shape corresponding to the adopted guide belt. In addition, the guide belt 145 may be capable of guiding the entire width of the punching scrap 36 while preventing deformation of the punching scrap 36 itself, and the arrangement thereof is not limited to the illustrated example of the present embodiment. In addition, as long as the guide belt 145 is divided in the axial direction of the peeling roller 147 and the scrap pressing roller 142, the width dimension (cross-section dimension) and the number are not limited.

Further, the guide belt (round belt) 145 is wound between the peeling roller 147 and the scrap holding roller 142, and rotates between the scrap holding roller 142 and the peeling roller 147 by contact with the scrap holding roller 142. At the same time, since the guide belt (round belt) 145 is wound between the peeling roller 147 and the scrap holding roller 142, the peeling roller 147 and the scrap holding roller 142 are rotatable at the same speed. As a result, the peeling roller 147 can be rotated at the same speed as the rotation of the scrap holding roller 142, which is in contact with the outer peripheral surface 36a of the punched scrap roll 37 and has a rotational speed corresponding to the winding speed of the punched scrap roll 37.

Therefore, it is possible to synchronize the winding speed of the punched scrap roll 37 and the scrap lifting speed of the peeling roller 147 . Since the guide belt (round belt) 145 is wound around the scrap holding roller 142 near the outer peripheral surface 36a of the punching scrap roll 37, the punching scrap 36 guided by a plurality of round belts and conveyed from the peeling roller 147 to the scrap holding roller 142 is prevented from forming an uneven shape on the outer peripheral surface 36a of the punching scrap roll 37, and the scrap take-up shaft 51 ) is wound on

In addition, in the above structure, a rotation drive source such as a motor is not connected to the peeling roller 147 and the scrap holding roller 142. The scrap pressing roller 142 rotates in contact with the outer peripheral surface 36a of the punching scrap roll 37 driven to rotate. The peeling roller 147 is rotationally driven by a guide belt (round belt) 145 wound around a rotating scrap holding roller 142 . It can be set as the structure which connects and drives rotation drive sources, such as a motor, to the peeling roller 147 and the scrap holding roller 142.

The punched scrap 36 peeled from the mount 31 is wound by about half of the circumference of the outer peripheral surface 147a of the peeling roller 147. After that, the punched scraps 36 are guided so as to maintain the shape of the punched scraps 36 by a conveyance guide conveyor formed by a plurality of guide belts (round belts) 145 in the conveyance path from the peeling roller 147 to the upper scrap take-up shaft 51. The punched scrap 36 is guided along the transport path and transported to the scrap take-up shaft 51 without causing slack or twisting.

The scrap pressing roller 142 installed at the downstream position in the conveying guide conveyor can turn around the roller center 147b, which is the support shaft of the peeling roller 147, as a fulcrum. The scrap pressing roller 142 always rotates in contact with the outer circumferential surface 36a of the punched scrap roll 37 at a constant pressure by the pressing force of the scrap pressing air cylinder 153, and the outer circumferential surface 36a of the punched scrap roll 37. It has an action of averaging irregularities on the outer circumferential surface 36a and arranging the shape. As a result, tension fluctuations due to unevenness of the outer circumferential surface 36a of the punched scrap roll 37 are reduced, and vibration due to eccentric rotation of the punched scrap roll 37 is also reduced, so that the punched scrap 36 can be wound without being cut.

Since the pressing force of the scrap pressing air cylinder 153 can be adjusted by setting the pressure of the air regulator, it can be increased or decreased corresponding to irregularities of the outer circumferential surface 36a of the punched scrap roll 37.

Scrap pressing roller 142 can adjust the air pressure by the scrap pressing air cylinder 153 with a regulator installed in the air pipe path. For example, by adjusting the air pressure of the regulator to 0.05 to 0.3 MPa, the contact pressure of the scrap pressing roller 142 can be arbitrarily changed in accordance with conditions such as the type of continuous label sheet 30 (see FIG. 4) and the punched area.

That is, the scrap pressing roller 142 is adjusted to contact the outer circumferential surface 36a of the punched scrap roll 37 with a pressure that does not cause vibration. By applying pressure that does not generate vibration to the outer circumferential surface 36a of the punched scrap roll 37, the winding collapse of the punched scrap 36 being wound around the scrap take-up shaft 51 and the rolled punched scrap 36 It is possible to prevent excessive air from being caught between the layers. That is, the roll shape of the punched scrap roll 37 can be preferably corrected by the scrap pressing roller 142 . By correcting (correcting) the roll shape of the punched scrap roll 37 with the scrap pressing roller 142, irregularities on the outer peripheral surface 36a of the punched scrap roll 37 can be made uniform to some extent. As a result, it is possible to suppress fluctuations in tension caused by unevenness of the outer circumferential surface 36a of the punched scrap roll 37 to some extent.

In this way, the scrap pressing roller 142 corresponds to the change in the roll diameter D of the punching scrap roll 37, so that the scrap pressing roller 142 can come into contact with the outer peripheral surface 36a of the punching scrap roll 37. Accordingly, the entire outer circumferential surface 36a of the punched scrap roll 37 can be made flat and uniform by the scrap pressing roller 142 . By this, the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 is preferably set in a state in which the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 do not contact, and the scrap pressing roller 142 abuts the outer circumferential surface 36a of the punched scrap roll 37. can keep Therefore, the tension generated in the punched scrap 36 during winding on the scrap take-up shaft 51 can be satisfactorily stabilized.

The roller center 147b of the peeling roller 147 can be positioned in a direction orthogonal to the direction connecting the shaft center of the scrap take-up shaft 51 with the shaft center of the scrap take-up shaft 51 by the peeling roller position adjusting unit 220, that is, in the horizontal direction. A pair of peeling roller position adjusting units 220 are provided at both ends of the peeling roller 147, and each can independently set the horizontal position of the peeling roller 147.

3, 4, and 5, the peeling roller position adjuster 220 includes a support groove 221 installed on the frame 12 to support the end of the peel roller 147, a threaded portion 222 located inside the support groove 221 and extending parallel to the support groove 221, and an adjusting handle 22 connected to the threaded portion 222 via an arm shaft 223. 4) has In addition, in FIG. 4, illustration of the peeling roller position adjuster 220 is partially omitted.

The support groove part 221 is integrally with the frame 12 and is installed on the support part 12a installed on the peeling roller 147 side. The support groove part 221 extends on a straight line in a substantially horizontal direction, and has a straight part upper surface 221a that becomes substantially flat and a straight part lower surface 221b parallel to the straight part upper surface 221a. In the support groove 221, an end of a peeling roller support shaft 147k rotatably supporting the peeling roller 147 with the roller center 147b as a rotational center is positioned via a ball bearing 147m. The peeling roller support shaft 147k is supported in the support groove 221 so as to be able to slide horizontally with respect to the support portion 12a and the frame 12 . In the vicinity of the end of the peeling roller support shaft 147k, the upper and lower portions thereof are flattened to form a flat surface 147n. Both of the flat surfaces 147n are in contact with the upper surface 221a of the straight portion and the lower surface 221b of the straight portion of the support groove 221 . The threaded portion 222 extends in a horizontal direction orthogonal to the axis of the peeling roller 147 and is screwed so as to pass through the end of the peeling roller support shaft 147k. By rotating the threaded portion 222, the end of the peeling roller support shaft 147k can move along the support groove 221 in the direction in which the threaded portion 222 extends.

At one end of the arm shaft 223, a position regulating portion 227 is provided to regulate the position of the threaded portion 222 in the horizontal direction, and then the threaded portion 222 is formed coaxially. An adjustment handle 224 is connected to the other end of the arm shaft 223 . When the adjustment handle 224 is rotated, the threaded portion 222 rotates via the arm shaft 223, and in accordance with the rotation of the threaded portion 222, the end portion of the exfoliating roller support shaft 147k becomes movable in a horizontal direction orthogonal to the axis of the exfoliating roller 147. At the other end of the arm shaft 223, a movement amount indicator 226 is installed. The movement amount indicator 226 detects the number of rotations of the arm shaft 223 and can display the amount of movement of the end of the exfoliating roller support shaft 147k, that is, the amount of movement of the roller center 147b of the exfoliating roller 147.

As shown in FIGS. 3 to 6 , the peeling roller position adjusting unit 220 makes it possible to adjust the relative position of the peeling roller 147 installed close to each other in the flow direction and the label transfer blade 144 by means of the adjustment handle 224. By rotating the adjustment handle 224 of the peeling roller position adjusting unit 220, the peeling roller 147 can move horizontally to the right position indicated by solid lines in FIG. 6 and to the left position indicated by broken lines in FIG. 6 . At this time, the peeling roller 147 can move horizontally while maintaining a predetermined gap where the lowermost bottom surface 147g of the outer peripheral surface 147a does not press the continuous label sheet 30 against the label transfer blade 144 side.

Here, when the peeling roller is at the left position indicated by the broken line in FIG. 6, the punched scrap 36 of the continuous label paper 30 is peeled from the paper (release sheet) 31, and the label 34 faces the label transfer roller 45 side while being adhered to the paper (release sheet) 31. However, when the peeling and lifting of the punched scraps 36 in the peeling roller 147 are not performed smoothly because of the punched scraps 36 of the deformed label, that is, the complicated and relatively large punched scraps 36, the adjusting handle 224 is turned to advance the peeling roller 147 to the right position indicated by the solid line in FIG. 6 .

At the right position indicated by the solid line in FIG. 6, the punched scrap 36 and the label 34 of the continuous label sheet 30 are separated from the paper (release sheet) 31 by the label transfer blade 144, and then face the release roller 147. For this reason, in the right position indicated by the solid line in FIG. 6, the punched scrap is wound up more smoothly than in the left position indicated by the broken line in FIG.

At this time, the labels 34 exiting the peeling roller 147 pass from the label transfer blade 144 via the changeover roller 44, are wrapped around the label transfer roller 45, and are adhered to the sheet (release sheet) 31 conveyed in a state where the cloth (upper and lower) positions are reversed, and transported downstream. Further, since the punched scraps 36 are connected endlessly, they are pulled upward toward the peeling roller 147 side by the winding force of the upper guide belt (round belt) 145, the scrap holding roller 142, and the scrap take-up shaft 51, by the upward tension in the peeling roller 147 indicated by the arrow F1 in FIG. 6.

On the other hand, on the label 34, the force flowing downward through the sheet (release sheet) 31 from the front end of the label transfer blade 144 acts as indicated by the arrow F2 in FIG.

In addition, the relative position of the peeling roller 147 and the label transfer blade 144 for smooth peeling and lifting of the punched scrap 36 with the peeling roller 147 changes depending on the shape of the punched scrap 36, so the relative position is adjusted with the adjustment handle 224 each time. In addition, when the peeling roller 147 is moved in the front-back direction, the setting of the distance r between the outer circumferential surface 36a of the punched scrap roll 37 described above in relation to the rocking portion 150 and the outer circumferential surface 147a of the peeling roller 147 is also changed as necessary.

7 and 9, the detection device 20 includes a first sensor 116, a second sensor 117, a third sensor (second detector) 118, and a line encoder (first detector) 119 (see Figs. 3 and 11). The first sensor 116 is attached to the upper portion 12b of the frame 12 through a first attachment bracket 127. The first sensor 116 detects the detection piece 128 . The detection piece 128 is attached to the end 85c of the side surface 85b of the 1st table 85. When the first sensor 116 detects the detection piece 128, the upper limit of the first table 85 (ie, the moving body 76) moving in the vertical direction is determined. The second sensor 117 is attached via a second attachment bracket 129 to a portion 12c near the lower portion of the frame 12 than the upper portion 12b. The second sensor 117 detects the detection piece 128 . When the second sensor 117 detects the detection piece 128, the lower limit of the first table 85 (ie, the moving body 76) moving in the vertical direction is determined.

Here, the attachment position or detection position of the first sensor 116 and the second sensor 117 and the number of the first sensor 116 and the second sensor 117 are not limited to the embodiment. For example, you may attach the 1st sensor 116 and the 2nd sensor 117 from the front side of the 1st table 85. Alternatively, a long hole may be formed on the front side of the slider 84 with a length equal to the maximum movement amount +α, and one sensor may be provided on the front side of the slider 84. Furthermore, the side surface 85b of the 1st table 85 may be peeled off step by step in the up-and-down direction, and the convex state may be set as the amount of movement +α, and the sensor provided at one location may determine it.

The third sensor 118 is attached to the output shaft side bracket 121 of the powder clutch 53. Specifically, a plate 122 is attached to the output shaft side of the powder clutch 53 . One end 121a of the bracket 121 is attached to the lower end of the plate 122. A third sensor 118 is attached to the other end 121b of the bracket 121. In addition, the rotary body 132 is installed coaxially with the fourth timing pulley 69 of the output shaft of the powder clutch 53, and the detection piece 133 is installed on the outer periphery of the rotary body 132. Here, the fourth timing pulley 69 of the output shaft of the powder clutch 53 and the first timing pulley 58 of the scrap take-up shaft 51 are formed with the same number of teeth. That is, the rotational speed of the rotating body 132 (ie, the detection piece 133) is equal to the rotational speed of the scrap take-up shaft 51. Therefore, by detecting the detection piece 133 with the 3rd sensor 118, one rotation of the scrap take-up shaft 51 is detected. Hereinafter, the pulse signal indicating the number of revolutions of the scrap take-up shaft 51 is referred to as a “take-up pulse”.

Here, the attaching position of the third sensor 118 and the detection piece 133 is not limited to the example of this embodiment. As another attachment position, for example, on the motor side of the frame 12, any rotational location such as the scrap take-up shaft 51 may be used. Any attachment position where a pulse is transmitted from the third sensor 118 once every time the scrap take-up shaft 51 rotates once may be sufficient.

As shown in FIGS. 1 to 3 and FIG. 1, in the return path of the continuous label 30, a third servo motor (not shown) for carrying the continuous label paper 30, a carrier roller 41, a nip roller (or nip nose) 42, a guide roller 43, a conversion roller 44, a roller for labeling 45 The reconsideration roller 46 and the reconsideration roller 47 are installed. A line encoder 119 is provided incidentally to the third servo motor. 11, illustration of the label transfer blade 144, changeover roller 44, label transfer roller 45, repress receiving roller 46, and repress roller 47 is omitted.

The line encoder 119 is a rotary encoder connected to the conveying path of the continuous label sheet 30 (specifically, the conveying roller 41). The line encoder 119 transmits a pulse signal corresponding to the conveying amount of the continuous label sheets 30. That is, the line encoder 119 detects the conveying amount of the continuous label sheets 30. Hereinafter, the pulse signal corresponding to the conveyance amount is referred to as a "conveyance pulse". Here, by detecting the conveying pulse of the line encoder 119 for the winding pulse when the scrap take-up shaft 51 rotates once, the roll diameter D of the punched scrap roll 37 can be calculated from the conveyed amount of the continuous label sheet 30.

In addition, the conveying roller 41, the nip roller (or nip roller) 42, the guide roller 43, the changeover roller 44, the label transfer roller 45, the repressing receiving roller 46, the repressing roller 47, and the positions of the line encoder 119 are not limited to those in the drawing.

The roll diameter D of the punched scrap roll 37 is calculated in the calculation unit 22 based on the amounts of the winding pulse and the conveying pulse. That is, the calculating unit 22 calculates the roll diameter D of the punched scrap roll 37 from the conveying pulse amount of the line encoder 119 for the winding pulse transmitted from the third sensor 118 whenever the scrap take-up shaft 51 rotates once.

Next, a method for obtaining the roll diameter D of the punched scrap roll 37 in the calculation unit 22 will be described based on FIG. 11 . As shown in FIG. 11, if D is the roll diameter of the cut-out scrap roll 37 and the feed amount of the continuous label paper 30 when the scrap take-up shaft 51 rotates once (that is, the circumference of the wound cut-out scrap 36) is L, it is as follows.

D=L/π　　... (１)

On the other hand, a first conveying roller 41 having a roll diameter D and a line encoder 119 are installed in the conveying path of the continuous label sheet 30.

Let n be the number of conveying pulses transmitted by the line encoder 119 per rotation of the first conveying roller 41 . When the continuous label sheet 30 has been conveyed by only a distance πd, n pulses of conveying pulses are transmitted from the line encoder 119. Therefore, the feed amount of the continuous label sheets 30 per conveying pulse transmitted by the line encoder 119 is ?d/n.

Here, when the number of outgoing pulses of conveying pulses of the line encoder 119 when the scrap take-up shaft 51 rotates once is n ₀ ,

L=πdn _ｏ ／n . . . (2)

becomes

By substituting equation (2) into equation (1),

D＝dn _ｏ /n . . . (3)

is obtained

The roll diameter d and the number of conveying pulses n of the line encoder 119 are known values. Thereby, the roll diameter D of the punching scrap roll 37 can be obtained from the number of conveying pulses n ₀ transmitted by the line encoder 119 .

Next, an example of raising the scrap take-up shaft 51 by the controller 24 will be described based on FIGS. 4, 12 and 13 . As shown in FIG. 4 , the peeled punched scrap 36 is in a state where the label 34 has come off and is empty. For this reason, when the scrap is wound around the scrap take-up shaft 51, if the tension applied to the punched scrap 36 fluctuates, it is in a state where it is likely to be cut. Here, the label 34 is not limited to a simple outline shape such as a single rectangle or circle. In particular, as shown in FIG. 4 , when the predetermined shape of the label 34 is irregular with a complex outline, the punched scrap 36 is easily cut when the tension of the punched scrap 36 fluctuates. In addition, the contour form of the label 34 shown in FIG. 4 is explained as an example in which the length of the continuous label sheet 30 is not uniform in the width direction and conveyance direction in order to facilitate understanding of the configuration.

For example, when the scrap path is long, the punched scrap 36 of the label 34 is easily cut at a location where the shrinkage in the width direction of the punched scrap 36 increases and the load concentrates, or at a location where the roll diameter of the punched scrap roll 37 increases and the tension applied to the punched scrap 36 increases. Here, the scrap pass means a section from when the punched scrap 36 is peeled from the ground 31 by the peeling roller 147 to reaching the scrap take-up shaft 51, and in this section, the cut scrap 36 is conveyed without support from the peeling roller 147 to the scrap take-up shaft 51.

On the other hand, it is conceivable that the outer circumferential surface 36a of the punched scrap roll 37 is maintained in a press-contacted state with the outer circumferential surface 142a of the scrap pressing roller 142. In this state, it is conceivable that a difference in roll diameter D occurs at all locations among the outer circumferential surfaces 36a of the punched scrap roll 37 due to uneven winding of the outer peripheral surface 36a of the punched scrap roll 37. Further, it is conceivable that the punched scrap 36 is wavy and deformed such as torsion in the scrap pass, so that the punched scrap roll 37 is wound eccentrically with respect to the paper pipe 64 or vibration occurs. For this reason, the tension applied to the punched scrap 36 fluctuates, and there is a possibility that the punched scrap 36 may be cut.

In view of the above, it is preferable that the position of the scrap take-up shaft 51 be at a position where the scrap path, that is, the section where the punched scrap 36 is not supported, is always a short distance, and the winding unevenness does not occur. And, in the punched scrap take-up device 10 of the present embodiment, the outer circumferential surface 36a of the punched scrap roll 37 does not come into contact with the outer circumferential surface 147a of the peeling roller 147, and the scrap holding roller 142 is in contact with the outer circumferential surface 36a of the punched scrap roll 37 at a position at a distance (distance) r (see FIGS. 8, 10, 11, and 12). The position of the scrap winding shaft 51 is determined. In addition, the position of the scrap take-up shaft 51 is determined so that the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 142a of the scrap pressing roller 142 are pressed.

Here, when tension is applied to the punched scrap 36, the punched scrap 36 shrinks in the width direction. For example, as shown in FIG. 4 , when the punched scrap 36 is punched in an irregular shape, the punched scrap 36 has a conveying direction belt-shaped portion 361 that is continuous in the conveying direction and a width direction belt-shaped portion 362 that is a continuous portion in the width direction. The belt-shaped portion 361 in the conveying direction of the punched scrap 36 is wound around the scrap take-up shaft 51 in a state where it extends in the conveying direction by tension and contracts in the width direction. In this case, the belt-shaped portion 362 in the width direction of the lattice-shaped punched scrap 36 is not subjected to tension, and is in a state where it is stretched and lifted relative to the belt-shaped portion 361 in the conveying direction.

For this reason, the roll diameter D (refer to FIG. 11 ) of the belt-shaped portion 362 in the width direction of the punching scrap roll 37 is larger than the roll diameter D of the belt-shaped portion 361 in the conveying direction. Therefore, the scrap holding roller 142 (see FIG. 4) is installed so that the roll diameter D of the belt-shaped portion 362 in the width direction of the punched scrap roll 37 and the roll diameter D of the belt-shaped portion 361 in the transport direction of the punched scrap roll 37 are the same diameter. At the same time, in order to eliminate the scrap path, that is, the section where the punched scrap 36 is not supported, the punched scrap 36 is supported by a plurality of guide belts (round belts) 145 extending in the conveying direction in the section from the peeling roller 147 to the outer peripheral surface 36a of the punched scrap roll 37.

When winding, the punched scrap 36 separated from the continuous label paper 30 on the downstream side of the peeling roller 147 is wound around the peeling roller 147 by about half of the circumference, and then conveyed to the upper scrap take-up shaft 51. In the conveyance path from the peeling roller 147 to the outer peripheral surface 36a of the punched scrap roll 37, a conveyance guide conveyor is constituted by a plurality of guide belts (round belts) 145 extending in the conveyance direction spaced apart in the width direction. The punched scrap 36 is extended and spread on the transport guide conveyor to be guided. Since the punching scrap 36 is guided and supported in this conveyance path, it is considered that it is not a scrap path. Therefore, the punched scraps 36 do not twist or invert, and can be stably raised.

In this conveying guide conveyor, the length of the guide belt (round belt) 145 in the conveying direction, that is, the distance in the conveying direction of the conveying path, is set to the minimum span LC (see FIG. 12) or more required for maintaining the straight shape of the punched scrap 36 at the initial position where the scrap is lifted from the outer peripheral surface 64 a of the branch pipe 64 shown in FIG. 12 (A). Span LC is set to 74 mm as an example. The length of this guide belt (round belt) 145 is defined by the length of the rocking part 150, that is, the shaft distance LD between the peeling roller 147 and the scrap pressing roller 142.

As shown in FIGS. 3 to 5, the scrap pressing roller 142 located on the downstream side of the conveying guide conveyor is centered on the axis of the peeling roller 147 upstream of the conveying guide conveyor, and the distance LD (see Fig. 3) can be rotated as a turning radius. Further, the scrap pressing roller 142 is pressed toward the outer peripheral surface 36a of the punching scrap roll 37 by the scrap holding air cylinder 153 . As a result, even if the roll diameter D of the punched scrap roll 37 increases, the outer circumferential surface 142a of the scrap press roller 142 is always in contact with the outer circumferential surface 36a of the cut scrap roll 37 at a constant pressure, so that the take-up speed of the cut scrap roll 37 and the outer circumferential surface 142a of the scrap press roller 142 rotate at the same circumferential speed.

Between the scrap pressing roller 142 and the peeling roller 147, a guide belt (round belt) 145 is wound, and the scrap pressing roller 142 and the peeling roller 147, which rotate by contact with the punching scrap roll 37, rotate at the same speed. Therefore, the take-up speed on the outer circumferential surface 36a of the punched scrap roll 37, the circumferential speed of the outer circumferential surface 142a of the scrap pressing roller 142, and the circumferential speed of the outer circumferential surface 147a of the peeling roller 147 all match. As a result, both the peeling roller 147 and the scrap holding roller 142 support the punched scrap 36 at the same speed as the winding speed of the punched scrap roll 37 after being separated by the peeling roller 147 to the outer peripheral surface 36a of the punched scrap roll 37.

On the outer peripheral surface 147a of the peeling roller 147, the guide belt (round belt) 145 is wound so as not to protrude from the guide groove 147f. Thereby, the punched scrap 36 uniformly comes into contact with the outer circumferential surface 147a of the peeling roller 147 and is guided. The punched scraps 36 are scraped up in contact with the outer circumferential surface 147a of the peeling roller 147, and then guided along the guide belt (round belt) 145 while being supported by the guide belt (round belt) 145. In addition, the guide belt 145 guides the punched scrap 36 as it circulates slower than the take-up speed of the punched scrap roll 37 when it sinks into the guide groove 147f.

Similarly, on the outer peripheral surface 142a of the scrap pressing roller 142, the guide belt (round belt) 145 is wound so as to protrude from the guide groove 142f. Thereby, the punched scraps 36 uniformly come into contact with the outer circumferential surface 142a of the scrap pressing roller 142 and are guided. The punched scrap 36 guided along the guide belt (round belt) 145 is wound smoothly in accordance with the outer peripheral surface 36a of the punched scrap roll (paper tube) 37 at the contact position between the scrap holding roller 142 and the outer peripheral surface 36a of the punched scrap roll 37.

The guide belt (round belt) 145 guides the punched scrap 36 so as to come into contact with the outer peripheral surface 36a of the punched scrap roll 37 in the inlet nip N section of the guide belt inlet of the outer peripheral surface 142a of the scrap pressing roller 142 shown in FIGS. 1 and 2.

In addition, the guide belt (round belt) 145 is made of a material having elasticity. For this reason, the guide belt (round belt) 145 is sent quickly at the take-up speed of the scrap roll 37 in the nip section N of the outer peripheral surface 142a of the scrap pressing roller 142, and returns to the original slow circling speed near the most downstream of N where the nip disappears, and the guide belt (round belt) 145 sent as an excess in the N section floats up. Therefore, the guide belt (round belt) 145 protrudes from the guide groove 142f, as shown in FIG. In other words, in FIG. 1, the scrap pressing roller 142 rotates at the same speed as the punching scrap roll 37, but the guide belt 145 is lowered than the winding speed of the punching scrap roll 37 by the amount of sinking in the guide groove. At this time, in the N section of the entrance nip of the scrap pressing roller 142, since the guide belt is sent quickly at the same speed as the punching scrap roll 37, it floats up near the most downstream of N where the nip disappears. Thereby, as shown in FIG. 4, the guide belt 145 protrudes from the guide groove 142f. As a result, with respect to the outer circumferential surface 142a of the scrap pressing roller 142 having a cylindrical shape, even in a portion where the outer circumferential surface 36a of the punched scrap roll 37 is concave, the punched scrap 36 can be pressed to the outer circumferential surface 36a side of the punched scrap roll 37. Therefore, it becomes possible to stably wind and adhere the punched scrap 36 also to the outer peripheral surface 36a of the punched scrap roll 37 having irregularities.

In this way, the punched scrap 36 guided by the guide belt (round belt) 145 and stably conveyed is wound around the scrap take-up shaft 51 while suppressing the outer peripheral surface 36a of the punched scrap roll 37 from becoming uneven.

As shown in Fig. 12, the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 is usually set to be about 30 mm. However, depending on the settings of the respective diameters and positions of the span LC, the punching scrap roll 37, the peeling roller 147, and the scrap pressing roller 142, the setting of the interval r is changed. It is also possible to set the interval r within the range of 20 to 50 mm. The initial position of the scrap take-up shaft 51 becomes the position shown in FIG. 12(A). The initial position of the scrap take-up shaft 51 refers to the position of the scrap take-up shaft 51 in a state where the punched scrap 36 of the label 34 is not wound around the paper tube 64 fixed to the scrap take-up shaft 51.

Go back to FIG. 4, and the outer surface 64a of the branch pipe 64 fixed to the scrap winding shaft 51 does not come in contact with the outer sphere 147a of the peeling roller 147, and the scrap pressing roller 142 is in contact with the outer surface 36a of the other scrap roll 37 (FIG. 8, 10, FIG. 11, see FIG. 12). Therefore, when the punched scrap 36 is peeled from the base 31 by the peeling roller 147, it is guided by the guide belt (round belt) 145 and wound around the branch tube 64 fixed to the scrap take-up shaft 51. The wound punched scrap 36 is integrated with the scrap take-up shaft 51 (ie, the paper pipe 64) by the adhesive surface of the punched scrap 36. Thereby, there is no scrap path in which the punched scraps 36 are conveyed as a single unit, and the punched scraps 36 are wound up without being cut.

Hereinafter, a method of winding the punched scraps of continuous label paper without a scrap pass in which the punched scraps 36 are conveyed as a single unit will be described based on FIG. 12 . 12, the scrap pressing roller 142 abbreviate|omits illustration. As shown in FIGS. 3 and 12(A), first, the axial position P of the scrap take-up shaft 51 is set so that the outer circumferential surface 64a and the outer circumferential surface 147a of the branch pipe 64 do not come into contact. Specifically, when the diameter of the scrap pressing roller 142 and the diameter of the peeling roller 147 are φ60 mm, the span LC is 74 mm, and the diameter of the punched scrap roll 37 is φ100 mm to 600 mm, the interval r is usually set to about 30 mm. Further, the axial position P represents the distance between the outer circumferential surface 147a of the peeling roller 147 and the center 51a of the scrap take-up shaft 51 .

As shown in FIG. 3 and FIG. 12(B) , when conveyance of the continuous label sheet 30 is started, in the scrap take-up step, the scrap take-up shaft 51 rotates. As the scrap take-up shaft 51 rotates, the punched scrap 36 peeled from the mount 31 (see FIG. 4 ) is wound around the branch tube 64 of the scrap take-up shaft 51 . In the roll diameter calculation step, the roll diameter D of the punched scrap roll 37 is determined based on the take-up pulse signal from the third sensor 118 (see Fig. 1) or the conveying pulse signal from the line encoder 119. The third sensor 118 detects one rotation of the scrap take-up shaft 51 . The line encoder 119 detects the conveying amount of the continuous label sheets 30. Next, the calculated roll diameter D is stored in the calculation unit 22 in the controller 21. A roll diameter obtained by adding an arbitrarily set increment in the radial dimension to the roll diameter D stored in the calculation unit 22 is set in advance as the “rise start roll diameter D1” of the punching scrap roll 37 .

As shown in FIGS. 3 and 12(C), during conveyance of the continuous label paper 30, the roll diameter D of the punched scrap roll 37 is calculated and obtained each time from the amount of conveying pulses of the line encoder 119 cut out every time the scrap take-up shaft 51 rotates. In the scrap take-up shaft moving step, the obtained roll diameter D of the punched scrap roll 37 is compared with the “up start roll diameter D1”. When the compared roll diameter D is larger than the "up start roll diameter D1", the second servomotor 82 (see Fig. 1) of the vertical movement mechanism 16 is driven based on a signal from the control unit 24. By rotating the sixth timing pulley 95 with the second servo motor 82, the rotation of the sixth timing pulley is transmitted to the fifth timing pulley 93 of the rotating shaft 89 through the third timing belt 96. As the fifth timing pulley 93 rotates, the pair of driving gears 79 rotate through the rotating shaft 89 .

As the pair of drive gears 79 rotate, the pair of driven gears 78 rotate. When the pair of driven gears 78 rotate, the pair of ball screws 77 rotate. As the pair of ball screws 77 rotate, the connecting bracket 92 (ie, the movable body 76) moves in the vertical direction. A winding mechanism 14 is attached to the first table 85 and the second table 86 of the moving body 76 . By moving the movable body 76 in the vertical direction, the scrap take-up shaft 51 is raised to the shaft position P by an arbitrarily set scrap take-up shaft elevation set value of the scrap take-up shaft 51 . That is, the scrap winding shaft 51 is moved in a direction away from the peeling roller 147 . As a result, as shown in FIG. 12 (C), the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 is such that the outer circumferential surface 36a of the punched scrap roll 37 does not come into contact with the outer circumferential surface 147a of the peeling roller 147.

After completion of the lifting operation of the scrap take-up shaft 51, the roll diameter D of the punched scrap roll 37 is calculated again in the same manner. By overwriting the roll diameter D in the calculation unit 22, a new "lift start roll diameter D1" of the scrap take-up shaft 51 is determined. Thereafter, similarly, based on the signal from the control unit 24, the scrap take-up shaft 51 is raised.

That is, the controller 24 controls the vertical movement mechanism 16 to move the scrap take-up shaft 51 in a direction away from the peeling roller 147 or in a direction approaching the peeling roller 147 based on the roll diameter D obtained by the calculation unit 22. Next, an example in which the scrap take-up shaft 51 is moved in the direction away from the peeling roller 147 in the controller 24 will be described in detail based on FIGS. 12 and 13 .

FIG. 12 is a front view showing the positional relationship of the scrap take-up shaft 51, the punched scrap roll 37, and the peeling roller 147 at the viewpoints of RA, RB, and RC in FIG. 13 . Fig. 13 is a graph showing an example of the rising timing of the scrap take-up shaft 51 when the winding operation of the punched scrap is performed. 12, the interval r represents the distance between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147, or the outer circumferential surface 64a of the branch pipe 64 and the outer circumferential surface 147a of the peeling roller 147. As described above, the axis position P represents the distance between the outer peripheral surface 147a of the peeling roller 147 and the center 51a of the scrap take-up shaft 51.

As shown in FIG. 12(A) and FIG. 13 , the tube diameter of the branch pipe 64 is formed smaller than the roll diameter D1 of the start roll when the scrap take-up shaft 51 rotates at the rotation speed RA. For example, the branch pipe 64 is set to have a pipe diameter of 100 mm. Accordingly, a gap r is maintained between the outer circumferential surface 64a of the branch tube 64 and the outer circumferential surface 147a of the peeling roller 147. As a result, in a state where the scrap take-up shaft 51 does not rise, the punched scrap 36 is wound around the branch tube 64 of the scrap take-up shaft 51 .

As shown in FIG. 12(B) and FIG. 13 , the roll diameter D of the punched scrap roll 37 increases as the punched scrap 36 is wound around the branch pipe 64 of the scrap take-up shaft 51 . At the same time, the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 is reduced. In a state where the scrap take-up shaft 51 has reached the rotational speed RB, the roll diameter D of the punched scrap roll 37 exceeds the “lift start roll diameter D1”.

The scrap take-up shaft 51 starts rising. While the scrap take-up shaft 51 is rising, the punched scrap 36 is continuously wound around the scrap take-up shaft 51 . When the punched scrap 36 is continuously wound around the branch pipe 64 of the scrap take-up shaft 51, the roll diameter D of the punched scrap roll 37 increases. In this state, the scrap take-up shaft 51 is elevated. Accordingly, the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 increases toward a predetermined scrap take-up shaft elevation set value.

As shown in FIG. 12 (C) and FIG. 13, at the time of the rotation speed RC of the scrap take-up shaft 51, the rise value of the scrap take-up shaft 51 is a preset scrap take-up shaft rise setting value (e.g., 5.0 mm). Thus, the scrap take-up shaft 51 stops rising. A roll diameter obtained by adding an arbitrarily set increment in the radial dimension (for example, 3.0 mm) to the roll diameter D when the scrap take-up shaft 51 stops rising is determined as a new roll start roll diameter D1. Then, the punched scrap 36 is wound up without raising the scrap take-up shaft 51 until the roll diameter D reaches the roll diameter D1 at the starting roll.

As described above, by sequentially repeating the operations of RA to RC, the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 is usually set in the range of 20 mm ≤ r ≤ 50 mm. Therefore, the outer circumferential surface 36a of the punched scrap roll 37 can maintain a distance greater than or equal to the extent that it does not come into contact with the outer circumferential surface 147a of the peeling roller 147 . This makes it possible to maintain a stable winding shape of the punched scrap 36 without cutting the punched scrap 36 .

In this way, based on the roll diameter D of the punched scrap roll 37, the scrap take-up shaft 51 can be moved in a direction away from the peeling roller 147 or in a direction approaching the peeling roller 147. Therefore, the distance r between the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 can be maintained in a state where they do not contact each other. At the same time, by winding the punched scrap 36 peeled from the board 31 by the peeling roller 147 in a state of being guided by the guide belt (round belt) 145, the outer peripheral surface 147a of the peeling roller 147. The scrap path size from the outer peripheral surface 36a of the punched scrap roll 37 can be suppressed.

As a result, even when the predetermined shape of the label 34 is other than rectangular or circular, and the horizontal and vertical tension in the punched scrap 36 becomes irregular, the tension generated in the punched scrap 36 during winding is stabilized, so that the cutout scrap 36 can be prevented from being cut as much as possible. In addition, by guiding the conveyance path from the outer circumferential surface 147a of the peeling roller 147 to the outer circumferential surface 36a of the punched scrap roll 37 with a guide belt (round belt) 145 to eliminate the scrap path size, compared to the prior art, even if a strong tension is applied to the punched scrap 36, the cutout scrap 36 can be suppressed from being cut.

In addition, while pressing the outer peripheral surface 36a of the punched scrap roll 37 with the scrap holding roller 142, the punched scrap 36 is wound, and the guide belt (round belt) 145 winds the punched scrap 36 while pressing it toward the outer peripheral surface 36a of the uneven punched scrap roll 37, thereby stably winding the punched scrap 36 and cutting the punched scrap 36 can be avoided as much as possible. Furthermore, by suppressing cutting of the punched scrap 36, the printing speed of the continuous label sheet 30 can be increased. As a result, the productivity of the label 34 can be significantly improved.

Further, in the present embodiment, the radial dimension increment is set to 3.0 mm and the scrap winding shaft elevation setting value is set to 5.0 mm, but the radial dimension increment and scrap winding axis elevation setting value are not limited to 3.0 mm or 5.0 mm. That is, the scrap take-up shaft 51 may be raised so that the distance r between the outer circumferential surface 64a of the branch tube 64 fixed to the scrap take-up shaft 51 with the lug 62, or the outer circumferential surface 36a of the punched scrap roll 37 and the outer circumferential surface 147a of the peeling roller 147 is kept within a certain range. As another example, for example, the thickness of the continuous label sheet 30 may be measured before winding starts, and the scrap winding shaft elevation set value may be changed according to the measured value. Further, the value may be changed according to the type of the continuous label sheet 30 or the winding speed.

In addition to the automatic operation during operation as described in this embodiment, the vertical movement mechanism 16 of the scrap take-up shaft 51 can also manually move the scrap take-up shaft 51 up and down during stoppage of the take-up operation, for example. The manual operation of the scrap take-up shaft 51 is used, for example, when the cut-out scrap roll 37 is removed from the scrap take-up shaft 51 when the maximum roll diameter is reached.

As mentioned above, although preferred embodiment of this invention was described referring drawings, this invention is not limited to the said embodiment. The various shapes, combinations, etc. of each constituent member shown in the above-mentioned embodiment are examples, and various changes are possible based on design requirements etc. within the range which does not deviate from the main point of this invention.

For example, in the above embodiment, the movable body 76 is moved in the vertical direction by the pair of linear motion guides 75 and the pair of ball screws 77, but the method of moving the movable body 76 is not limited to the above embodiment. As another example, it is also possible to use trapezoidal screws or the like instead of the pair of ball screws 77, for example. Further, the number of ball screws 77 and trapezoidal screws is also preferably one pair in terms of positional accuracy and durability, but may be one.

In addition, in the above embodiment, the powder clutch 53 is exemplified as the tension adjusting unit, and the variation of the tension applied to the punched scrap 36 of the punched scrap roll 37 is constantly maintained by the powder clutch 53. An example has been described, but it is not limited thereto. As other tension adjusting units, it is also possible to employ other clutches or the like having a function of sliding smoothly and changing the set torque step by step.

Furthermore, in the above embodiment, a rotary encoder has been described as an example as the line encoder 119 of the first detection unit that detects the conveyance amount of the continuous label sheet 30, but it is not limited thereto.

In the above embodiment, an example in which the scrap take-up shaft 51 is moved by the controller 24 based on the roll diameter D obtained by the calculation unit 22 has been described, but is not limited to this. As another example, it is also possible to manually move the scrap take-up shaft 51 based on the roll diameter D obtained by the calculation unit 22, for example.

Further, in the above embodiment, the peeling roller 147 was exemplified as the peeling roller, but it is not limited thereto. As another example, it is also possible to make the peeling roller a movable peeling roller, for example.

In the above embodiment, an example in which the scrap take-up shaft 51 is provided above the roller center 147b of the peeling roller 147 in the vertical direction has been described, but is not limited thereto. As another example, it is also possible to install the scrap take-up shaft 51 in other directions, such as an oblique upper side of the peeling roller 147 and a horizontal side of the peeling roller 147, for example.

In the above embodiment, the label transfer mechanism is constituted by the peeling roller 147, the label transfer blade 144, the changeover roller 44, and the label transfer roller 45, and the label 34 is reattached to the mount 31 after scrap lifting. As this example, the configuration shown in Fig. 11 can be employed as a configuration not shown.

Claims (12)

An apparatus for taking-up of continuous label paper punched scraps having a peeling roller for transporting continuous label paper subjected to semi-punching processing and separating into punched products and punched scraps adhered to the ground,
A scrap winding shaft installed apart from the peeling roller and winding the punched scrap in a roll form;
a moving mechanism capable of moving the scrap take-up shaft in a direction away from the peeling roller;
a first detection unit installed in a conveyance path of the continuous label sheet and detecting the conveyance amount of the continuous label sheet;
A second detection unit for detecting one rotation of the scrap take-up shaft;
Equipped with an arithmetic unit for obtaining a roll diameter of the punched scrap wound around the scrap take-up shaft from the amount of pulses of the first detection unit relative to the pulses transmitted from the second detection unit every time the scrap take-up shaft rotates once,
Based on the roll diameter obtained by the calculation unit, control is performed to move the scrap take-up shaft in a direction away from the peeling roller,
A scrap pressing roller that can come into contact with an outer circumferential surface of the punched scrap wound around the scrap take-up shaft in response to a change in the diameter of the roll;
An endless guide belt that is wound around the peeling roller and the scrap pressing roller and guides the punched scrap from the peeling roller to the roll of the punched scrap wound around the scrap take-up shaft,
Guide grooves are formed in the peeling roller and the scrap pressing roller, and the guide belt divided in the axial direction of the peeling roller and the scrap pressing roller is wound around the guide groove.
According to claim 1,
The scrap pressing roller is installed so as to be capable of swinging about the axis of the peeling roller, and the scrap pressing conveying unit for pressing the scrap pressing roller toward the outer circumferential surface of the punched scrap wound around the scrap take-up shaft is provided. Continuous label paper punched scrap take-up device.
According to claim 1,
An apparatus for winding scrap of continuous label paper having a tension adjusting unit installed on a driving side of the scrap take-up shaft to adjust tension applied to the punched scrap.
According to claim 2,
An apparatus for winding scrap of continuous label paper having a tension adjusting unit installed on a driving side of the scrap take-up shaft to adjust tension applied to the punched scrap.
According to claim 1,
Continuous label paper punched scrap winding device having a peeling roller position adjusting unit for adjusting the position of the axial center of the peeling roller in a direction orthogonal to a direction connecting the axial center of the peeling roller and the axial center of the scrap take-up shaft.
According to claim 2,
Continuous label paper punched scrap winding device having a peeling roller position adjusting unit for adjusting the position of the axial center of the peeling roller in a direction orthogonal to a direction connecting the axial center of the peeling roller and the axial center of the scrap take-up shaft.
According to claim 3,
Continuous label paper punched scrap winding device having a peeling roller position adjusting unit for adjusting the position of the axial center of the peeling roller in a direction orthogonal to a direction connecting the axial center of the peeling roller and the axial center of the scrap take-up shaft.
According to claim 4,
Continuous label paper punched scrap winding device having a peeling roller position adjusting unit for adjusting the position of the axial center of the peeling roller in a direction orthogonal to a direction connecting the axial center of the peeling roller and the axial center of the scrap take-up shaft. delete delete delete delete